Seiko Cal. 3840 - 492

The Seiko 3840-492 represents an important milestone in Seiko's 1984 lineup. It features a Navy dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-9959b631b87e]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1984

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